html,body {
	margin: 0;
	padding: 0;
	color: #444;
}
ul {
	margin: 0;
	padding: 0;
	list-style: none;
}
a {
	color: #444;
	text-decoration: none;
}
.f-content, nav {
	width: 960px;
	/*元素自动居中*/
	margin: 0 auto;
}
nav li a:hover {
	text-decoration: underline;
}
nav li span {
	color: #ccc;
}
nav > div > ul > li{
	float: left;
	line-height: 50px;
	margin-left: 10px;

}
nav ul ul {
	display: none;
}
nav ul ul > li {
	padding: 0 10px;
}
nav > div > ul > li:hover > ul {
	display: block;
	position: absolute;
	/*加-10px修正，使它与上级菜单对齐*/
	margin-left: -10px;
}
nav li {
	background: #fff;
}
nav div {
	float: right;
}
nav img {
	float: left;
	width: 160px;
}
.hk-nav {
	width: 100%;
	height: 50px;
	position: fixed;
	top: 0;
	background: #fff;
	border-bottom: 1px solid #ccc;
	z-index: 999;
}
.c-1,.c-2,.c-3 {
	width: 960px;
	margin: 0 auto;
}
.c-3 h2, .c-2 h2, .c-1 h2 {
	text-align: center;
}
.c-1 .line {
	display: inline-block;
	height: 1px;
	width: 100px;
	background: #eb9622;
	position: relative;
	bottom: 0.3em;
	margin: 0 20px;
}
.c-2 li, .c-1 li {
	float: left;
	text-align: center;
	line-height: 35px;
}
.c-1 li {
 	padding: 10px 18px;
 }
.c-2 li {
	padding: 10px 6px;
}
.banner {
	margin-top: 50px;
	width: 100%;
	height: 400px;
}
.c-3 li {
	height: 200px;
	width: 300px;
	border: 1px solid #ccc;
	border-radius: 4px;
	background: #fafafa;
	float: left;
	margin: 3px;
	text-align: center;
	padding: 5px;
}
.c-3 li img {
	margin-top: 3px;
}
.footer {
	background: #3c3c3c;
	padding: 15px 0;
}
.f-content {
	color: #eee;
}
.f-left {
	float: left;
}
.f-right {
	float: right;
}
.f-right ul {
	float: left;
	margin-left: 20px;
	text-align: center;
}
.clean {
	clear: both;
}